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grepping using the “|” alternative operator
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to POST raw whole JSON in the body of a Retrofit request?
...nvertion in the rest of your application code:
interface ServiceApi {
fun login(username: String, password: String) =
jsonLogin(createJsonRequestBody(
"username" to username, "password" to password))
@POST("/api/login")
fun jsonLogin(@Body params: RequestBod...
Check if an element is a child of a parent
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C# using streams
...sfer the strings to and from the stream as bytes. So
myStreamWriter.Write(123);
will write "123" (three characters '1', '2' then '3') to the stream. If you're dealing with text files (e.g. html), StreamReader and StreamWriter are the classes you would use.
Whereas
myBinaryWriter.Write(123);
w...
Validate that a string is a positive integer
...ue);
},
false
);
test("1", true);
test("1.23", false);
test("1234567890123", true);
test("1234567890123.1", false);
test("0123", false); // false because we don't handle leading 0s
test(" 123 ", false); // false because we don't handle whitespace
<label>
String:
<inp...
What is the difference between precision and scale?
...BER(7,5): 12.12345
NUMBER(5,0): 12345
More details on the ORACLE website:
https://docs.oracle.com/cd/B28359_01/server.111/b28318/datatype.htm#CNCPT1832
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App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希...
...性。它必须是包含32个字符的字符串。
.aix 拓展下载：
cn.peterzhong.Encrypt.Security.aix
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Size of Matrix OpenCV
...So the size in terms of elements of elementary type is M.rows * M.cols * M.cn
To find the max element one can use
Mat src;
double minVal, maxVal;
minMaxLoc(src, &minVal, &maxVal);
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Creating PHP class instance with a string
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do I run Asynchronous callbacks in Playground
...groundPage.current.needsIndefiniteExecution = true
let url = URL(string: "https://jsonplaceholder.typicode.com/posts/1")!
let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
guard error == nil else {
print(error?.localizedDescription ?? "")
return
...